Finding the Fourth Proportional to 182,579,811.49, 251,987,182.32 and 115,604,994.70
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Solution
The fourth proportional to 182,579,811.49, 251,987,182.32 and 115,604,994.70 is: 159,552,015.30
Step by Step Solution
- Step 1: Write the proportion equation
182,579,811.49 : 251,987,182.32 = 115,604,994.70 : x - Step 2: Convert to fraction form
182,579,811.49/251,987,182.32 = 115,604,994.70/x - Step 3: Cross multiply
182,579,811.49x = 251,987,182.32 × 115,604,994.70 - Step 4: Simplify right side
182,579,811.49x = 29,130,976,876,571,532 - Step 5: Solve for x
x = 29,130,976,876,571,532/182,579,811.49 - Step 6: Final answer
x = 159,552,015.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.